WikiCards
Play on iPhone nowFree in Safari. Add it to your Home Screen.Play
WikiCards · Card list · Science cards · Base anhydride
Common card · Science
Base anhydride, a Common card
A base anhydride is an oxide of a chemical element from group 1 or 2.
- Rarity
- Common
- Domain
- Science
- ATK
- 35
- DEF
- 24
- Power
- 59
- Wikipedia reads a year
- 2,200
Power 59 (ATK + DEF): stronger than 5 % of WikiCards cards.
Base anhydride quiz: 3 questions
Three questions on the Base anhydride card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
They are obtained by removing water from the ______ hydroxide base.
Answer
corresponding. They are obtained by removing water from the corresponding hydroxide base. From the Base anhydride article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Fasciculus Medicinae. Fasciculus Medicinae 49 · Heckscher–Ohlin theorem 44 · 3.6m Devasthal Optical Telescope 39 · Base anhydride 35 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Heckscher–Ohlin theorem. Heckscher–Ohlin theorem 4,200 · Base anhydride 2,200 · Software Ideas Modeler 1,700 · Bay K8644 1,200 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- They are obtained by removing water from the corresponding hydroxide base.
- If water is added to a base anhydride, a corresponding hydroxide salt can be [re]-formed.
- Base anhydrides are Brønsted–Lowry bases because they are proton acceptors.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Base anhydride article was read about 2,200 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 35 and blocks with 24: each hit it takes is cut by 10 %.
How to get Base anhydride
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Base anhydride in the power ranking, all domains together.
- Georgi SeganovCommon · Society · ATK 41 DEF 18
- Reizei familyCommon · History · ATK 42 DEF 17
- USS PolluxCommon · History · ATK 47 DEF 12
- Ji'an Yalu River Border Railway BridgeCommon · Society · ATK 41 DEF 18
- Mariano MelgarCommon · Arts · ATK 47 DEF 12
- Cotopaxi International AirportCommon · Society · ATK 39 DEF 20
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Base anhydride (revision), CC BY-SA 4.0. Photo : Leiem, CC BY-SA 4.0, Wikimedia Commons.
